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Description
Tomei Unequal Length Exhaust Manifold (Subaru EJ20/25)
Tomei introduced the high efficiency 4-1 as against the STD 4-2-1. The exhaust efficency of the standard exhaust manifold is not perfect. Tomei 4-1 type exhaust manifold has high efficency. You could see the change of dramatically driving feeling. The complete equal length is good for the exhaust intervention but reduce the turbine performance and increase the exhaust resistance. Contrary to that, the not-equal length exhaust manifold can lead the efficiency of other cylinders. Tomei designed not-equal length to keep the boxer sound. The clear sound which got dry further by change to the diameter of the support pipe and the stainless steel quality of the material is pulled out and the good feeling could be obtained at the acceleration. Tomei designed the Lost Wax type strength flange. They are perticular about the welding and exhaust efficiency is improved very much. Tomei selected SUS304 stainless steel which is lightweight and rust-proof. They prepared bolts, gaskets, and easy and full instruction manual for privator.
Features
- High Efficiency 4-1 Type
- Not-Equal Length Design
- Great Expansion of Bore Size of Support Pipe
- Dry Racing Sound
- Ultra High Quality
- Lightweight & Rust-Proof
- Easy Installation
Applications
- Subaru EJ205 / EJ207 / EJ255 / EJ257
What's In The Box?
- Exhaust Manifold unit
- Uppipe
- 50mm x 15m Thermal Bandage
- Bands
- Gaskets
- Bolts
- Stickers
Warranty
- Manufacturer Standard Warranty
